Automatic water shutoff device
United States Patent 2545928
US Patent References:
/0907480.html
- - 0907480

Time controlled valve
- - 2338804

Time controlled valve
- - 2456493


Inventors:
Martin, George K.
Martin, Mary M.
Publication Date:
03/20/1951
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Assignee:
Thomas Jr., Buckner A.
Primary Class:
Other Classes:
239/70, 137/624.220
International Classes:
F16K21/16; F16K21/00